In some cases, when hair loss is accompanied by dandruff and scalp seborrhoea,  Nizoral shampoo can be used and seems to reduce hair loss.

Instructions for use

During the first 2-4 weeks:
Use Nizoral shampoo twice a week to enhance the elimination of dandruff.

Use Nizoral shampoo once a week or once every two weeks to prevent the reappearance of dandruff.

Wet your hair; apply 1 or 2 spoonfuls directly over your scalp, and lather.
For better results, leave the shampoo on your hair for 3 to 5 minutes.
Rinse your hair vigorously.